Improvement in water-gages for steam-generators



G. M. GITHENS.

Water Gage for Steam Generators.

' Patented Aug. 14, 1866.

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UNITED STATES PATENT ()FFICE.

GEORGE M. GITHENS, OF NEW YORK, N. Y.

IMPROVEMENT IN WATER-GAGES FOR STEAM-GENERATORS.

Specification forming part of Letters Patent No. 57,1] 8, dated August14, 1866.

To all whom it may concern:

Be it known that I, GEORGE M. GITHENS, of the city, county, and State ofNew York, have made certain new and useful Improvements in Steam andWater Gages; and I hereby declare that the following is a full and cleardescription of the construction and operation of the same, referencebeing had to the annexed drawings, making a part of this specification,and which represent a vertical central section of the invention.

Similar letters of reference indicate corresponding parts in the severalfigures.

The nature of my invention consists, first, in providing steam and watergages with a pipe connecting the lower part of the Watergage with thebottom of the boiler, thereby causing a free and continuous circulationot' water, which will prevent the stopping up of the connections of thewater-gage with the boiler, which very often happens with the old methodof connecting, causing the water in the gage to stay at the point'whereit was when the stoppage took place, while the water might get so low inthe boiler as to be very dangerous before it would be discovered by theengineer in charge; second, in the threeway cock, so arranged in theconnection of the pipe with the water-gage that in case of accident tothe glass tube by turning the cock one-fourth around it closes theconnection with the glass tube and leaves the opening the same, so thatthe circulation is still unobstructed, and the passage kept clear andready for operation when the glass tube shall have been replaced.

To enable others skilled in the art to make and use my invention, I willproceed to described its construction and operation.

A represents the side of an ordinary steamboiler to which the water-gageBis secured, of which 0 represents its steam-col'inection, and D itswater-connection, with the boiler a little above and a little below thewater-line. In this watenconnection D, I arrange quite close to the gagea three-way cock, E, uniting with it a second water-connection by meansof a pipe, F, leading to the bottom part of the boiler in a manner sothat the said cock E can be set to stop all connections of the boilerwith the gage, or that all connections are communicating with the gage,as shown in the drawings, or that either one connection only iscommunicating with the gage.

From the foregoing it may be readily seen that by having a communicationof the gage with the bottom part of the boiler a constant circulation ofthe water must take place, and thereby prevent the connections beingstopped.

What I claim as my invention, and desire to secure by Letters Patent, is

1. The arrangement of the secondary waterpipe F, with the connection D,in combination with the gage B, for the purpose of obtaining a constantflow through said pipe and connections, substantially as herein setforth.

2. The three-way cock E, in combination with the connecting pipe F andD, arranged for the purpose substantially as herein specitied.

GEO. M. GITHENS.

Witnesses M. It. OLAPP, EDWARD D. JONES.

